M20-2.5 x 55 mm Hex Head Bolt Partially Threaded DIN 931, Class 8.8, Plain Finish (no rust protection)
BCA745-645
https://www.fastenermart.com/mm5/graphics/00000001/DIN931.gif
49.82
134.27
2
49.82
25.00
pcs
134.27
100.00
pcs

DIN 931 Specifications